cutting tools material

• 刀具材料

cutting tools material的用法和样例：

例句

1. Strength in cutting-tool material is not always proportional to hardness.
   切削刀具材料的强度并不都是与硬度成正比的。
2. Various cutting tool materials begin to lose their hardness at different temperatures.
   不同的切削刀具材料在不同的温度点开始软化。